/*
 * Copyright 2014 Gregor Schauer
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package at.dormancy.persistence;

import javax.annotation.Nonnull;
import javax.persistence.EntityManager;
import javax.persistence.PersistenceContext;

/**
 * Provides access to the current JPA {@link EntityManager}.
 *
 * @author Gregor Schauer
 * @since 2.0.0
 */
public class JpaPersistenceContext implements PersistenceContextProvider<EntityManager> {
	protected EntityManager em;

	public JpaPersistenceContext() {
	}

	public JpaPersistenceContext(@Nonnull EntityManager em) {
		this.em = em;
	}

	@Nonnull
	@Override
	public EntityManager getPersistenceContext() {
		return em;
	}

	@PersistenceContext
	public void setPersistenceContext(@Nonnull EntityManager em) {
		this.em = em;
	}
}
